Asked by drew


f of x = the square root of 2x minus 5
Find f (27)
A. 2
B. 3
C. -5
D. 7
D
not sure on this stuff, could you explain the steps?
Answered by Steve
just substitute in the value for x:

If f(x) = √(2x-5),
f(27) = √(2*27 - 5) = √(54-5) = √49 = 7
There are no AI answers yet. The ability to request AI answers is coming soon!